PDO works on localhost, but not on webservice

Question

I made an app and it runs on localhost no problem at all. When I switched to hosting it simply does not read the SQL commands by PDO (it is enabled on php.ini).

Connection seems to work fine, reports no errors.

<?php  
   try {
      $conn = new PDO('mysql:host=xxxxx.xxxxxxx.xxx.xx;dbname=xxxxx', "xxxxx", "xxxxx");
        $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    } catch(PDOException $e) {
        echo 'ERROR: ' . $e->getMessage();
    }
    ?>

But when I try a search with SQL and PDO nothing appears:

<?PHP
include ("conexao.php");

$login = $_POST["login"];
$senha = $_POST["senha"];
$usuario = 0;

echo "Teste 1"; 

$query = $pdo ->prepare("SELECT * FROM login WHERE login = :login AND senha = :senha");
$query->bindValue(":login", $login);
$query->bindValue(":senha", $senha);
$query->execute();
$linha = $query->fetch(PDO::FETCH_ASSOC);
$aux = $query->rowCount();

  echo "Teste 2";
  // (resto do código, mas não chega nessas parte, testei com echo)

Edit: I deleted php.ini and let it run from the hosting itself, it’s working now